Imprimer Froggy Jumps: Layers of the Earth Grade 4 ()

1. Which layer of the Earth is the outermost layer?

A

Mantle

B

Core

C

Crust

2. What is the surface of planet Earth called?

A

Crust

B

Mantle

C

Core

3. Which layer of the Earth do we live on?

A

Crust

B

Core

C

Mantle

4. What is the thinnest layer of the Earth?

A

Mantle

B

Core

C

Crust

5. What is the thickest layer of the Earth?

A

Mantle

B

Crust

C

Core

6. What is the mantle made up of?

A

Iron and nickel

B

Lighter rock material

C

Heavier rock material

7. What are the two parts of the Earth's core?

A

Outer core and inner core

B

Crust and mantle

C

Mantle and outer core

8. What is the core made of?

A

Light rock material

B

Cold iron and nickel

C

Hot iron and nickel

9. Why is the inner core solid?

A

Lack of oxygen

B

Extreme heat

C

Pressure and weight of other layers

10. What is the outer core made of?

A

Hot iron and nickel

B

Cold iron and nickel

C

Light rock material